﻿// The Nova Project by Ken Beckett.
// Copyright (C) 2007-2012 Inevitable Software, all rights reserved.
// Released under the Common Development and Distribution License, CDDL-1.0: http://opensource.org/licenses/cddl1.php

using System.Collections.Generic;

using Nova.CodeDOM;

namespace Nova.UI
{
    /// <summary>
    /// The view model for a <see cref="CodeDOM.FieldDecl"/>.
    /// </summary>
    public class FieldDeclVM : VariableDeclVM
    {
        #region /* STATICS */

        internal static void AddViewModelMapping()
        {
            CreateViewModel.Add(typeof(FieldDecl),
                delegate(CodeObject codeObject, bool isDescription, Dictionary<CodeObject, CodeObjectVM> dictionary) { return new FieldDeclVM((FieldDecl)codeObject, dictionary); });
        }

        #endregion

        #region /* CONSTRUCTORS */

        /// <summary>
        /// Create a view model instance for the specified <see cref="CodeDOM.FieldDecl"/>.
        /// </summary>
        public FieldDeclVM(FieldDecl fieldDecl, Dictionary<CodeObject, CodeObjectVM> dictionary)
            : base(fieldDecl, dictionary)
        { }

        #endregion

        #region /* PROPERTIES */

        /// <summary>
        /// The underlying <see cref="CodeDOM.FieldDecl"/> model.
        /// </summary>
        public FieldDecl FieldDecl
        {
            get { return (FieldDecl)CodeObject; }
        }

        #endregion

        #region /* METHODS */

        #endregion

        #region /* RENDERING */

        protected override void RenderPrefix(CodeRenderer renderer, RenderFlags flags)
        {
            // If in Description mode, use NoEOLComments to determine if we're being rendered as part of a MultiFieldDecl or not
            if (!(ParentVM is MultiFieldDeclVM) || (flags.HasFlag(RenderFlags.Description) && !flags.HasFlag(RenderFlags.NoEOLComments)))
                renderer.RenderText(ModifiersHelpers.AsString(FieldDecl.Modifiers), KEYWORD_BRUSH, this);
        }

        protected override void RenderStatement(CodeRenderer renderer, RenderFlags flags)
        {
            RenderFlags passFlags = (flags & RenderFlags.PassMask);
            bool isDescription = flags.HasFlag(RenderFlags.Description);

            // If in Description mode, use NoEOLComments to determine if we're being rendered as part of a MultiFieldDecl or not
            if (!(ParentVM is MultiFieldDeclVM) || (isDescription && !flags.HasFlag(RenderFlags.NoEOLComments)))
                RenderType(renderer, flags);

            if (isDescription && !flags.HasFlag(RenderFlags.NoEOLComments))
            {
                CodeObjectVM parent = (ParentVM is MultiFieldDeclVM ? ParentVM.ParentVM : ParentVM);
                if (parent is TypeDeclVM)
                {
                    ((TypeDeclVM)parent).RenderName(renderer, flags);
                    DotVM.RenderDot(renderer, this);
                }
            }
            renderer.RenderText(FieldDecl.Name, IDENTIFIER_BRUSH, this);

            if (FieldDecl.Initialization != null)
                RenderInitialization(renderer, passFlags);
        }

        #endregion
    }
}
